Heat-stable ultraviolet-unstable ethylene-carbon monoxide copolymers



q, gy tfiij DEFENSIVE PUBLICATION UNITED STATES PATENT OFFICE Published at the request of the applicant or owner in accordance with the Notice oi! Apr. 11, 1968, 849 0.G. 1221. Identiiication is by serial number of the application and the heading indicates the number of pages of specification, including claims, and of sheets of drawing contained in the application as originally filed. The file of this application is available to the public for inspection; reproduction may be purchased for 30 cents per sheet.

Applications published under the Defensive Publication Program have not been examined as to the merits of allexed invention. The Patent Oflice makes no assertion as to the novelty of the disclosed subject matter.

PUBLISHED OCTOBER 28, 1969 867 O.Gr. 1093 687,103 HEAT-STABLE ULTRAVIOLET-UNSTABLE ETHYL- ENE-CARBON MONOXIDE COPOLYMERS Robert L. Combs, Max F. Meyer, Jr., and Harry W. Coover, Jr., all of 6lox 511, Kingsport, Tenn.

Filed Dec. 1, 1967. Published Oct. 28, 1969 Int. Cl. C08f 25/00, 1 60 U.S. Cl. 260-943 No Drawing. 14 Pages Specification Heat-stable, ultraviolet light-unstable copolymer of ethylene and carbon monoxide, said copolymer having a carbon monoxide content of about 7 to 29 mole percent, an inherent viscosity of about 0.4 to 1.8 and a melt index of about 0.1 to 100. 

